Re: XOR or bit manupulation

On Sat, 2002-02-02 at 18:25, Mika Toewe wrote: > Hi > > Is there anything that can manipulate a variable bit by bit? If have a > variable $x that has to switch between two values. It doesn't matter if > it is true or false, 0 and 255 or whatever. Normally the easiest way > would be to use xor to have the variable switch between both states but > I couldn't find anything like that in the reference. > > Does PHP support such kind of bit manipulation? Or does anybody know > another way to have the variable switch on an easy way? I know that it > is possible with several if...thens but I'm looking for an easier and > faster way. Thanks for your answers and help. > > Mika First off, please don't crosspost to all these lists. The list for general questions in PHP is php-general@lists.php.net; the lists this question was posted to are for the PHP quality assurance team, the documentation team, and the development team, respectively. You can find a list of the available mailing lists, their purposes, and an easy-to-use subscription form at: http://www.php.net/mailing-lists.php Second, the knowledge you seek is in the manual, under 'Language Reference|Operators|Bitwise operators': http://www.php.net/manual/en/language.operators.bitwise.php Hope this helps, Torben -- Torben Wilson <torben@php.net> http://www.thebuttlesschaps.com http://www.hybrid17.com http://www.inflatableeye.com +1.604.709.0506